Minoru functions as a secondary protagonist alongside central character Yume, positioned as her classmate within a technologically advanced "smart city" conceptualized by Kyocera. In this setting, individuals project personal identities through overhead digital hashtags. Minoru maintains a close and comfortable rapport with Yume, enabling her to openly express anxieties about her hashtags failing to stand out.

Physically, he bears a noticeable resemblance to Shoya Ishida from Yoshitoki Oima’s "A Silent Voice," reflecting Oima’s distinct artistic style. His narrative presence occurs predominantly in academic environments, specifically seated beside Yume during classroom interactions. Minoru’s role centers entirely on his supportive dynamic with Yume within the established context.